Base | Representation |
---|---|
bin | 10011100001001010000101… |
… | …11110000100000000000000 |
3 | 12121222011220121000012020000 |
4 | 21300211002332010000000 |
5 | 21111203124312120441 |
6 | 231141302330120000 |
7 | 12016630513244211 |
oct | 1160450276040000 |
9 | 177864817005200 |
10 | 42920731754496 |
11 | 12748642152752 |
12 | 49923aa280000 |
13 | 1ac453b76c68b |
14 | a855358b9408 |
15 | 4e67003382b6 |
hex | 270942f84000 |
42920731754496 has 300 divisors, whose sum is σ = 132364923102720. Its totient is φ = 13845384069120.
The previous prime is 42920731754491. The next prime is 42920731754519. The reversal of 42920731754496 is 69445713702924.
42920731754496 is a `hidden beast` number, since 4 + 2 + 9 + 2 + 0 + 73 + 1 + 75 + 4 + 496 = 666.
It is not an unprimeable number, because it can be changed into a prime (42920731754491) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40618585 + ... + 41661863.
Almost surely, 242920731754496 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42920731754496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66182461551360).
42920731754496 is an abundant number, since it is smaller than the sum of its proper divisors (89444191348224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42920731754496 is an equidigital number, since it uses as much as digits as its factorization.
42920731754496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043350 (or 1043315 counting only the distinct ones).
The product of its (nonzero) digits is 91445760, while the sum is 63.
The spelling of 42920731754496 in words is "forty-two trillion, nine hundred twenty billion, seven hundred thirty-one million, seven hundred fifty-four thousand, four hundred ninety-six".
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